Flights from San Francisco to London Heathrow

Trip type

Our cheapest offers for flights from San Francisco to London Heathrow

Here you can compare cheap flights from San Francisco (SFO) to London Heathrow (LHR) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to London Heathrow. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
San Francisco
London Heathrow
Outbound
05/25/26
direct
VS0020
10h 20min
Return
06/08/26
direct
VS0019
11h 00min
Virgin Atlantic Airways ?
$740
found 2 days ago
San Francisco
London Heathrow
Outbound
05/25/26
1 Stopover (YYZ)
OS8191, OS8288
14h 10min
Return
06/08/26
1 Stopover (MUC)
LH2481, LH0458
30h 35min
Austrian Airlines ?
$934
found 2 days ago
San Francisco
London Heathrow
Outbound
05/25/26
1 Stopover (EWR)
UA0419, UA0016
15h 55min
Return
06/08/26
1 Stopover (MUC)
UA9276, UA0195
15h 25min
United Airlines ?
$941
found 2 days ago
San Francisco
London Heathrow
Outbound
05/25/26
1 Stopover (HND)
NH7011, NH0211
45h 25min
Return
06/08/26
1 Stopover (HND)
NH0212, NH0108
29h 35min
ANA All Nippon Airways ?
$16,854
found 2 days ago
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from San Francisco to London Heathrow

Favorite airline: United Airlines
73 % of bookings on this flight route are made with United Airlines, Aer Lingus and Air Canada.
United Airlines
31 %
Aer Lingus
28 %
Air Canada
14 %
Direct flights are more expensive
Direct flights on this route are $105.00 more expensive on average than flights with a stopover.
non stop flight
1 stop
2 stops
10h 25min
15h 35min
17h 50min
$ 640
$ 535
$ 832
Favourite connection: via Dublin
The most popular route is via Dublin and is booked by 35 % of all travelers.
Route
bookings
1 stopover Dublin
15h 35min, from $ 535
35 %
1 stopover New York - Newark Liberty International Airport, NJ
23h 30min, from $ 597
22 %
Direct flights
10h 25min, from $ 640
17 %

Important flight information

Flight information: San Francisco - London Heathrow

Roundtrip from $ 739,30
Flight duration min. 10:15 / max. 10:35
Return flight duration min. 11:10/ max. 11:25
Distance 8625 km
Flights per week 47
Departure airport Airport San Francisco International Airport, CA (SFO)
Arrival airport Airport London Heathrow (LHR)
Destination country Flights to United Kingdom
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